JP4445388B2 - 異なる帯域幅を有する複数のデジタルフィルタを含む通信信号受信方法および関連する受信機 - Google Patents
異なる帯域幅を有する複数のデジタルフィルタを含む通信信号受信方法および関連する受信機 Download PDFInfo
- Publication number
- JP4445388B2 JP4445388B2 JP2004530161A JP2004530161A JP4445388B2 JP 4445388 B2 JP4445388 B2 JP 4445388B2 JP 2004530161 A JP2004530161 A JP 2004530161A JP 2004530161 A JP2004530161 A JP 2004530161A JP 4445388 B2 JP4445388 B2 JP 4445388B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- filter
- digital
- receiver
- digital signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 29
- 238000005259 measurement Methods 0.000 claims description 50
- 230000002087 whitening effect Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 241000276489 Merlangius merlangus Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
Landscapes
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/224,303 US6768441B2 (en) | 2002-08-20 | 2002-08-20 | Methods of receiving communications signals including a plurality of digital filters having different bandwidths and related receivers |
| PCT/EP2003/009069 WO2004019488A2 (en) | 2002-08-20 | 2003-08-15 | Methods of receiving communications signals including a plurality of digital filters having different bandwidths and related receivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005536162A JP2005536162A (ja) | 2005-11-24 |
| JP4445388B2 true JP4445388B2 (ja) | 2010-04-07 |
Family
ID=31886786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004530161A Expired - Lifetime JP4445388B2 (ja) | 2002-08-20 | 2003-08-15 | 異なる帯域幅を有する複数のデジタルフィルタを含む通信信号受信方法および関連する受信機 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6768441B2 (de) |
| EP (1) | EP1552607A2 (de) |
| JP (1) | JP4445388B2 (de) |
| AU (1) | AU2003269869A1 (de) |
| WO (1) | WO2004019488A2 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3816079B2 (ja) * | 2004-01-30 | 2006-08-30 | 株式会社半導体理工学研究センター | Uwb受信回路 |
| GB0423708D0 (en) * | 2004-10-26 | 2004-11-24 | Koninkl Philips Electronics Nv | Adapting filter to detected interference level |
| DE102004060366B4 (de) * | 2004-12-15 | 2009-09-10 | Infineon Technologies Ag | Digitalfilteranordnung, Verwendung der Digitalfilteranordnung und Verfahren zur Steuerung eines Umschaltzeitpunktes in einem digitalen Filter |
| US7205914B1 (en) * | 2005-10-28 | 2007-04-17 | Motorola, Inc. | System and method for efficient upsampled signal processing |
| US8226003B2 (en) | 2006-04-27 | 2012-07-24 | Sirit Inc. | Adjusting parameters associated with leakage signals |
| JP4812032B2 (ja) * | 2007-03-29 | 2011-11-09 | 株式会社国際電気通信基礎技術研究所 | 無線受信装置 |
| US8248212B2 (en) | 2007-05-24 | 2012-08-21 | Sirit Inc. | Pipelining processes in a RF reader |
| US8427316B2 (en) | 2008-03-20 | 2013-04-23 | 3M Innovative Properties Company | Detecting tampered with radio frequency identification tags |
| JP4661901B2 (ja) * | 2008-04-18 | 2011-03-30 | ソニー株式会社 | 信号処理装置および方法、プログラム、並びに信号処理システム |
| US8446256B2 (en) | 2008-05-19 | 2013-05-21 | Sirit Technologies Inc. | Multiplexing radio frequency signals |
| US8169312B2 (en) | 2009-01-09 | 2012-05-01 | Sirit Inc. | Determining speeds of radio frequency tags |
| US8537284B2 (en) * | 2009-03-20 | 2013-09-17 | Advanced Micro Devices, Inc. | Adjacent channel power scan |
| US8416079B2 (en) | 2009-06-02 | 2013-04-09 | 3M Innovative Properties Company | Switching radio frequency identification (RFID) tags |
| JP2011087034A (ja) * | 2009-10-14 | 2011-04-28 | Renesas Electronics Corp | 受信回路及び半導体装置 |
| US10062025B2 (en) | 2012-03-09 | 2018-08-28 | Neology, Inc. | Switchable RFID tag |
| US9692393B2 (en) | 2012-05-03 | 2017-06-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio communication receiver apparatus and method |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761829A (en) | 1985-11-27 | 1988-08-02 | Motorola Inc. | Adaptive signal strength and/or ambient noise driven audio shaping system |
| US5031195A (en) | 1989-06-05 | 1991-07-09 | International Business Machines Corporation | Fully adaptive modem receiver using whitening matched filtering |
| US5509030A (en) | 1992-03-04 | 1996-04-16 | Alcatel Network Systems, Inc. | RF receiver AGC incorporating time domain equalizer circuity |
| US5248971A (en) * | 1992-05-19 | 1993-09-28 | Mandl William J | Method and apparatus for multiplexed oversampled analog to digital modulation |
| JP3125823B2 (ja) | 1992-09-11 | 2001-01-22 | ソニー株式会社 | オーバフロー検出回路 |
| US5943324A (en) * | 1994-01-11 | 1999-08-24 | Ericsson, Inc. | Methods and apparatus for mobile station to mobile station communications in a mobile satellite communication system |
| US5451948A (en) | 1994-02-28 | 1995-09-19 | Cubic Communications, Inc. | Apparatus and method for combining analog and digital automatic gain control in receivers with digital signal processing |
| ZA95605B (en) | 1994-04-28 | 1995-12-20 | Qualcomm Inc | Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
| JP3187261B2 (ja) | 1994-10-27 | 2001-07-11 | 旭化成マイクロシステム株式会社 | フィルタ回路 |
| US5617090A (en) * | 1995-05-10 | 1997-04-01 | Harris Corporation | Multi-channel sigma-delta A/D converters with improved throughput |
| US5905743A (en) | 1996-12-31 | 1999-05-18 | Ericsson Inc. | Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics |
| JPH10256932A (ja) * | 1997-03-10 | 1998-09-25 | Alps Electric Co Ltd | アナログ・ディジタル放送共用受信チューナ |
| US6052420A (en) | 1997-05-15 | 2000-04-18 | Northern Telecom Limited | Adaptive multiple sub-band common-mode RFI suppression |
| US5999561A (en) * | 1997-05-20 | 1999-12-07 | Sanconix, Inc. | Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset |
| DE69841213D1 (de) | 1998-02-26 | 2009-11-19 | Italtel Spa | Folgeschätzung für phasenstetig modulierte Signale |
| US6037886A (en) | 1998-04-01 | 2000-03-14 | Texas Instruments Incorporated | Method and apparatus for extracting band and error values from digital samples of an analog signal |
| US6563891B1 (en) | 1998-11-24 | 2003-05-13 | Telefonaktiebolaget L M Ericsson (Publ) | Automatic gain control for slotted mode operation |
| JP2000307384A (ja) | 1999-04-22 | 2000-11-02 | Hitachi Ltd | デジタルフィルタおよび該デジタルフィルタを用いたオーバーサンプリングアナログデジタル変換装置またはデジタルアナログ変換装置 |
| US6590932B1 (en) | 1999-11-24 | 2003-07-08 | Ericsson Inc. | Methods, receiver devices and systems for whitening a signal disturbance in a communication signal |
| US6683905B1 (en) * | 2000-04-17 | 2004-01-27 | Rf Micro Devices, Inc. | Dual-mode receiver |
| JP4027565B2 (ja) | 2000-04-19 | 2007-12-26 | 株式会社ケンウッド | ディジタル受信機 |
| DE60133006T2 (de) * | 2000-06-16 | 2009-07-02 | Thomson Licensing | Gleitfensterverarbeitung zum empfang von mehrträgersignalen |
| US6606359B1 (en) * | 2000-07-26 | 2003-08-12 | Motorola, Inc | Area-optimum rapid acquisition cellular multi-protocol digital DC offset correction scheme |
| US6826242B2 (en) * | 2001-01-16 | 2004-11-30 | Broadcom Corporation | Method for whitening colored noise in a communication system |
-
2002
- 2002-08-20 US US10/224,303 patent/US6768441B2/en not_active Expired - Lifetime
-
2003
- 2003-08-15 JP JP2004530161A patent/JP4445388B2/ja not_active Expired - Lifetime
- 2003-08-15 EP EP03750414A patent/EP1552607A2/de not_active Withdrawn
- 2003-08-15 WO PCT/EP2003/009069 patent/WO2004019488A2/en not_active Ceased
- 2003-08-15 AU AU2003269869A patent/AU2003269869A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004019488A2 (en) | 2004-03-04 |
| US20040036637A1 (en) | 2004-02-26 |
| US6768441B2 (en) | 2004-07-27 |
| EP1552607A2 (de) | 2005-07-13 |
| WO2004019488A3 (en) | 2004-04-22 |
| AU2003269869A1 (en) | 2004-03-11 |
| JP2005536162A (ja) | 2005-11-24 |
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